An iPhone user named David Eluemunoh said that his phone stopped charging when it reached 80%. At first, he thought his charger was damaged, but when he checked again, the cause was that using a case while charging caused the phone to overheat, unable to release the heat quickly enough, leading to the phone automatically stopping charging even though the battery had only reached 80%.
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| The Optimized Battery Charging feature on your iPhone will automatically detect when your phone is too hot and shut it off. |
LaptopMag has also reported on this fairly common problem. The Optimized Battery Charging feature on the iPhone normally only monitors how the user plugs in the charger to optimize the charging process, but it turns out that it also automatically detects when your phone is too hot and cuts off the power. This feature helps the iPhone cool down temporarily to avoid affecting the hardware inside the device.
Apple recommends users not to use cases when charging iPhone
Apple's website also recommends that users should not use certain types of cases when charging their iPhones. Because using a case while charging can lead to heat buildup and cause the battery to wear out faster.
Especially thick cases, cases made from rubber or leather have poor heat dissipation, which leads to overheating. According to Apple, during the charging process, if you see the iPhone is unusually hot, remove the case, wait for the device to cool down and then continue charging. The best temperature for effective charging is from 0-35 degrees Celsius.
It is also summer now so the outdoor temperature is quite high. This also affects the iPhone charging so we should pay attention. Before charging, you should remove the case, avoid charging near large heat-generating objects such as the kitchen, refrigerator, TV, places with direct sunlight...
If you pay attention, you will see that iPhone has always prevented users from turning on the camera or automatically reducing the brightness of the screen when you are in a high temperature environment. Therefore, removing the case before charging the iPhone is very necessary.
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